International Electrotechnical Commission

Publication detail

Reference	IEC 60118-9 ed1.0 withdrawn corrigendum	> preview
Title	Hearing aids. Part 9: Methods of measurement of characteristics of hearing aids with bone vibrator output
Publication date	1985-01-01
Format, price (Swiss francs) and language	45.- 23 pages 45.- 1034 Kb
Abstract	Defines a method of expressing the input/output ratio as an acousto-mechanical sensitivity level measured on a mechanical coupler according to the second edition of IEC 60373. Provides a suitable basis for the exchange of information or for direct comparison of the electroacoustic characteristics of hearing aids using bone vibrator outputs. The methods chosen are practical and reproducible and are based on selected fixed parameters.
Technical Committee	29 - Electroacoustics
ICS Codes	17.140.50 Electroacoustics *Including sound level meters
Replaced by
Stability date	2014
Work in progress	Project Stage code Forecast publication date No project under development - -

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